Page 4. a Employee's social security number. OMB No. 1545-0008. b Employer identification number (EIN) c Employer's name, address, IRS (.gov)
: Optional internal tracking number used by some employers. W2 Form 2012
: The unique ID for the individual worker. Page 4
: Total Social Security tax deducted (typically 6.2% for 2012). Wage and Tax Statement
The 2012 Form W-2, Wage and Tax Statement, follows a standardized text structure for identifying information, income boxes, and statutory codes. For that tax year, the Social Security wage base was capped at . Identifying Information (Boxes a–f)
: The federal tax ID assigned to the employer.